Having trouble with 0.9.63 getting a "not enough arguments to 
expand_stack" while compiling mmu.c? Here's a patch to fix that.

(*Add* this file to your portage directory)
/usr/portage/app-emulation/mol/files:

--- mol-0.9.63/src/kmod/mmu.c   Wed May  1 11:49:40 2002
+++ mol-0.9.63/src/kmod/mmu.c.new       Mon Jul  1 16:27:42 2002
@@ -575,7 +575,7 @@
                goto good_area;
        if( !(vma->vm_flags & VM_GROWSDOWN ) )
                goto bad_area;
-       if( expand_stack(vma,va))
+       if( expand_stack(vma,va,NULL))
                goto bad_area;
 good_area:
        // helthy protection checking

(Patch your *current* mol-0.9.63.ebuild file with this)
/usr/portage/app-emulation/mol/mol-0.9.63.ebuild:
--- mol-0.9.63.ebuild   Mon Jul  1 16:47:17 2002
+++ mol-0.9.63.ebuild.new       Mon Jul  1 16:46:48 2002
@@ -19,6 +19,11 @@
         fi
 }
 
+src_unpack () {
+       unpack ${A}; cd ${S}
+       patch -p1 < ${FILESDIR}/expand_stack_3arg.patch || die
+}
+
 src_compile() {
 
        ./configure --prefix=/usr || die "This is a ppc-only package (time 
to buy that iBook, no?)"

That should do it. I was able to compile, set up molrc, and MacOS came 
right up.

 --- Joe M.